California › San Francisco County › HVAC in San Francisco › GB MECHANICAL HVAC CO
Listed from CSLB's public license file · unclaimed
GB MECHANICAL HVAC CO
San Francisco, CA 94121 · San Francisco County · Sole Owner
✓License Verified CSLB file · Oct 20, 2026
Licensed for C-4 Boiler, Hot Water Heating and Steam Fitting, C-20 Warm-Air Heating, Ventilating and Air-Conditioning (HVAC). Double-check this license at CSLB → (enter #918728 on CSLB's Check a License page)
License facts from CSLB
| License number | #918728 |
| Status in CSLB file | ● CLEAR (active) |
| Pending suspension | None in CSLB file |
| Classifications | C-4 Boiler, Hot Water Heating and Steam FittingC-20 Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) |
| Issued / expires | Jul 7, 2008 · expires Jul 31, 2028 |
| Business type | Sole Owner |
| Phone on file | (415) 699-3983 |
| Contractor's bond | $25,000 on file · surety: WESTERN SURETY COMPANY · effective Apr 7, 2025 |
| Workers' compensation | Policy on file with CONTINENTAL CASUALTY COMPANY, expires Dec 26, 2026 |
| Checked against CSLB file | Oct 20, 2026 |
Source: CSLB Public Data Portal, License Master file dated Oct 20, 2026. Status can change at any time, so confirm it with CSLB's Instant License Check before you sign. A CSLB record doesn't show general liability insurance, so ask for a certificate. The License Verified stamp means the license was active in that day's file with no CSLB flag on it. It isn't a rating, a recommendation, or a promise about workmanship.
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